134168977 has 2 divisors, whose sum is σ = 134168978. Its totient is φ = 134168976.

The previous prime is 134168971. The next prime is 134168999. The reversal of 134168977 is 779861431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74632321 + 59536656 = 8639^2 + 7716^2 .

It is a cyclic number.

It is not a de Polignac number, because 134168977 - 2¹⁵ = 134136209 is a prime.

It is not a weakly prime, because it can be changed into another prime (134168971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67084488 + 67084489.

It is an arithmetic number, because the mean of its divisors is an integer number (67084489).

Almost surely, 2^134168977 is an apocalyptic number.

It is an amenable number.

134168977 is a deficient number, since it is larger than the sum of its proper divisors (1).

134168977 is an equidigital number, since it uses as much as digits as its factorization.

134168977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 254016, while the sum is 46.

The square root of 134168977 is about 11583.1332980330. The cubic root of 134168977 is about 511.9380023909.

The spelling of 134168977 in words is "one hundred thirty-four million, one hundred sixty-eight thousand, nine hundred seventy-seven".